A1425LK Allegro Microsystems Inc, A1425LK Datasheet
A1425LK
Specifications of A1425LK
Available stocks
Related parts for A1425LK
A1425LK Summary of contents
Page 1
High Accuracy Analog Speed Sensor IC with Integrated Filter Capacitor and Dual Zero-Crossing Output Signal Features and Benefits ▪ Used in sensing motion of ring magnet or ferrous targets ▪ Integrated filter capacitor ▪ Wide operating temperature range ▪ Operation ...
Page 2
... Each Hall effect digital integrated circuit includes a voltage regulator, two Hall effect elements, temperature compensating circuitry, a low-level amplifi er, band-pass fi lter, Schmitt trigger, Selection Guide Part Number Bulk, 500 pieces/bag A1425LK-T * Contact Allegro for additional packing options. Absolute Maximum Ratings Characteristic Supply Voltage ...
Page 3
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal OPERATING CHARACTERISTICS operating range, unless otherwise noted. Typical operating parameters: V Characteristic ELECTRICAL CHARACTERISTICS Supply Voltage Supply Current Output Saturation Voltage Output Leakage Current ...
Page 4
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal THERMAL CHARACTERISTICS Characteristic Package Thermal Resistance Power Derating Curve 177 ºC/W) θ ...
Page 5
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal Supply Current by Ambient Temperature – (ºC) A Supply Current by Supply Voltage ...
Page 6
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal Empirical Results, continued 116 Air Gap (mm) 116 Air Gap (mm) 6 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com ...
Page 7
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal 0. –10 –20 –30 –40 –50 –60 0.01 Continued on ...
Page 8
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal –5 –10 –15 –20 0.1 Positive values of delay indicate a lagging output, while negative values indicate a leading ...
Page 9
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal Please contact Allegro MicroSystems for EMC performance information. ESD – Human Body Model* ESD – Machine Model* Conducted Transients Direct RF Injection Bulk Current ...
Page 10
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal The A1425 is a versatile high-precision differential Hall-effect device that can be used in a wide range of applications. Proper choice of the target ...
Page 11
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal Target Selection The zero-crossing switchpoints and AC-coupled operation of this device make target selection important. For high-density target geometries or small target features that ...
Page 12
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal Power Derating The device must be operated below the maximum junction temperature of the device, T (max). Under certain combina- J tions of peak ...
Page 13
High Accuracy Analog Speed Sensor IC with Integrated A1425 Filter Capacitor and Dual Zero-Crossing Output Signal +0.08 5.21 –0.05 45° E 2.20 +0.08 3.43 –0.05 E1 2.16 MAX 14.73 ±0.51 +0.07 0.41 –0.05 Copyright ©2005-2008, Allegro MicroSystems, ...